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Finding the Fourth Proportional to 325.35, 488.02 and 94.24

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Solution

The fourth proportional to 325.35, 488.02 and 94.24 is: 141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.35 : 488.02 = 94.24 : x
  2. Step 2: Convert to fraction form
    325.35/488.02 = 94.24/x
  3. Step 3: Cross multiply
    325.35x = 488.02 × 94.24
  4. Step 4: Simplify right side
    325.35x = 45,989.92
  5. Step 5: Solve for x
    x = 45,989.92/325.35
  6. Step 6: Final answer
    x = 141.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.